EP3183437A4 - Valvetrain with rocker arm housing magnetically actuated latch - Google Patents

Valvetrain with rocker arm housing magnetically actuated latch Download PDF

Info

Publication number
EP3183437A4
EP3183437A4 EP15833956.4A EP15833956A EP3183437A4 EP 3183437 A4 EP3183437 A4 EP 3183437A4 EP 15833956 A EP15833956 A EP 15833956A EP 3183437 A4 EP3183437 A4 EP 3183437A4
Authority
EP
European Patent Office
Prior art keywords
valvetrain
rocker arm
arm housing
magnetically actuated
actuated latch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP15833956.4A
Other languages
German (de)
French (fr)
Other versions
EP3183437A1 (en
Inventor
James Edward Mccarthy Jr.
Petr LISKAR
Dale Arden Stretch
Andrei Dan Radulescu RADULESCU
Doug Anthony HUGHES
Otto SCHULTEIS
Kyle CRAYNE
Mustafa HUSEYIN
Mark JUDS
Amogh KANK
Peter Theisen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eaton Intelligent Power Ltd
Original Assignee
Eaton Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of EP3183437A1 publication Critical patent/EP3183437A1/en
Publication of EP3183437A4 publication Critical patent/EP3183437A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0005—Deactivating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • F01L9/26—Driving circuits therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1638—Armatures not entering the winding
    • H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L2001/186—Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L2013/10—Auxiliary actuators for variable valve timing
    • F01L2013/101—Electromagnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2305/00—Valve arrangements comprising rollers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • H01F2007/086—Structural details of the armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Electromagnets (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
EP15833956.4A 2014-08-18 2015-08-18 Valvetrain with rocker arm housing magnetically actuated latch Pending EP3183437A4 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
IN2335DE2014 2014-08-18
US201562140096P 2015-03-30 2015-03-30
US201562155069P 2015-04-30 2015-04-30
US201562190460P 2015-07-09 2015-07-09
US201562195766P 2015-07-22 2015-07-22
PCT/US2015/043069 WO2016028465A1 (en) 2014-08-18 2015-07-31 Magnetically latching flux-shifting electromechanical actuator
PCT/US2015/045759 WO2016028812A1 (en) 2014-08-18 2015-08-18 Valvetrain with rocker arm housing magnetically actuated latch

Publications (2)

Publication Number Publication Date
EP3183437A1 EP3183437A1 (en) 2017-06-28
EP3183437A4 true EP3183437A4 (en) 2018-09-05

Family

ID=55351122

Family Applications (3)

Application Number Title Priority Date Filing Date
EP15834521.5A Withdrawn EP3183406A4 (en) 2014-08-18 2015-07-31 Magnetically latching flux-shifting electromechanical actuator
EP15834035.6A Pending EP3183438A4 (en) 2014-08-18 2015-08-18 Non-contacting actuator for rocker arm assembly latches
EP15833956.4A Pending EP3183437A4 (en) 2014-08-18 2015-08-18 Valvetrain with rocker arm housing magnetically actuated latch

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP15834521.5A Withdrawn EP3183406A4 (en) 2014-08-18 2015-07-31 Magnetically latching flux-shifting electromechanical actuator
EP15834035.6A Pending EP3183438A4 (en) 2014-08-18 2015-08-18 Non-contacting actuator for rocker arm assembly latches

Country Status (6)

Country Link
US (1) US20170236630A1 (en)
EP (3) EP3183406A4 (en)
JP (2) JP2017525886A (en)
KR (1) KR20170043565A (en)
CN (4) CN205230681U (en)
WO (3) WO2016028465A1 (en)

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US20170236630A1 (en) * 2014-08-18 2017-08-17 Eaton Corporation Magnetically Latching Flux-Shifting Electromechanical Actuator
WO2018075392A1 (en) * 2016-10-17 2018-04-26 Eaton Corporation Auxiliary framework for electrically latched rocker arms
FR3042639B1 (en) * 2015-10-20 2017-12-08 Moving Magnet Tech LINEAR ACTUATOR WITH IMPROVED MAGNETIC STABILITY AND ARROWING STRENGTH
FR3045924B1 (en) * 2015-12-17 2021-05-07 Commissariat Energie Atomique REDUCED MAGNETIC LOSS INDUCTANCE CORE
WO2017156125A2 (en) * 2016-03-11 2017-09-14 Eaton Corporation Inductive coupling to rocker arm assemblies
DE102016210688A1 (en) * 2016-06-15 2017-12-21 Contitech Vibration Control Gmbh Electromagnetic linear actuator
JP6691459B2 (en) * 2016-09-16 2020-04-28 株式会社オティックス Variable valve mechanism for internal combustion engine
WO2018075343A1 (en) * 2016-10-17 2018-04-26 Eaton Corporation Control based on magnetic circuit feedback
US11125125B2 (en) * 2017-05-08 2021-09-21 Eaton Intelligent Power Limited Leaf spring sliding contact for electrically actuated rocker arm assembly
WO2018208857A1 (en) * 2017-05-08 2018-11-15 Eaton Intelligent Power Limited Leaf spring sliding contact for electrically latched rocker arm assembly
EP3649307A4 (en) * 2017-07-05 2021-04-14 Eaton Intelligent Power Limited Harsh condition controls for electrically latched switching roller finger follower
DE102017114933B3 (en) * 2017-07-05 2018-08-23 Schaeffler Technologies AG & Co. KG Variable valve train of a combustion piston engine
GB201710959D0 (en) * 2017-07-07 2017-08-23 Eaton Srl Actuator arrangement
US11225885B2 (en) * 2017-08-01 2022-01-18 Eaton Intelligent Power Limited Rocker arm motion detection for diagnostic feedback and control
WO2019028424A1 (en) * 2017-08-03 2019-02-07 Jacobs Vehicle Systems, Inc. Systems and methods for counter flow management and valve motion sequencing in enhanced engine braking
WO2019040860A1 (en) * 2017-08-25 2019-02-28 Eaton Intelligent Power Limited Lower travel deactivating lash adjuster when combined with two-step variable valve lift rocker arm
WO2019091874A1 (en) * 2017-11-07 2019-05-16 Eaton Intelligent Power Limited Actuator control system for bi-stable electric rocker arm latches
EP3707353A4 (en) * 2017-11-10 2021-08-11 Jacobs Vehicle Systems, Inc. Lash adjustment in lost motion engine systems
GB201803573D0 (en) 2018-03-06 2018-04-18 Eaton Intelligent Power Ltd Actuation apparatus
US11713698B2 (en) 2018-04-26 2023-08-01 Eaton Intelligent Power Limited Switch providing on-board diagnostic feedback for electromagnetically actuated latching rocker arm assembly
US10801418B2 (en) 2018-04-26 2020-10-13 Ford Global Technologies, Llc Method and system for variable displacement engine diagnostics
US10753303B2 (en) 2018-04-26 2020-08-25 Ford Global Technologies, Llc Method and system for variable displacement engine diagnostics
US11008968B2 (en) 2018-04-26 2021-05-18 Ford Global Technologies, Llc Method and system for variable displacement engine diagnostics
US10487763B2 (en) 2018-04-26 2019-11-26 Ford Global Technologies, Llc Method and system for variable displacement engine diagnostics
CN111173584A (en) * 2018-11-13 2020-05-19 舍弗勒技术股份两合公司 Latching mechanism for a switchable rocker arm and internal combustion engine
JP7135817B2 (en) * 2018-12-11 2022-09-13 トヨタ自動車株式会社 cylinder head
WO2020126102A1 (en) * 2018-12-21 2020-06-25 Eaton Intelligent Power Limited Oil cooling for electromagnetic latch housed in rocker arm
CN113924407B (en) * 2019-05-17 2024-02-06 伊顿智能动力有限公司 Valve mechanism power transmission module with shortened leaf spring contacts
EP3983657A4 (en) * 2019-06-17 2024-05-01 Sigma Powertrain, Inc. Electromagnetic actuation assembly
CN114599863B (en) * 2019-11-20 2023-12-26 伊顿智能动力有限公司 Latch assembly, latch device and rocker arm
WO2024077340A1 (en) * 2022-10-10 2024-04-18 Noja Power Switchgear Pty Ltd Single coil bistable actuator

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US5682848A (en) * 1996-03-22 1997-11-04 Eaton Corporation Engine valve control system using a latchable rocker arm activated by a solenoid mechanism
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EP2050933A1 (en) * 2007-10-17 2009-04-22 Delphi Technologies, Inc. Valve operating system comprising a two-step roller finger follower
WO2016197088A1 (en) * 2015-06-04 2016-12-08 Eaton Corporation Electrically latching rocker arm assembly having built-in obd functionality

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US20170236630A1 (en) * 2014-08-18 2017-08-17 Eaton Corporation Magnetically Latching Flux-Shifting Electromechanical Actuator

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Publication number Priority date Publication date Assignee Title
US5682848A (en) * 1996-03-22 1997-11-04 Eaton Corporation Engine valve control system using a latchable rocker arm activated by a solenoid mechanism
US6318318B1 (en) * 2001-05-15 2001-11-20 Ford Global Technologies, Inc. Rocker arm assembly
EP2050933A1 (en) * 2007-10-17 2009-04-22 Delphi Technologies, Inc. Valve operating system comprising a two-step roller finger follower
WO2016197088A1 (en) * 2015-06-04 2016-12-08 Eaton Corporation Electrically latching rocker arm assembly having built-in obd functionality

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Title
See also references of WO2016028812A1 *

Also Published As

Publication number Publication date
CN205230681U (en) 2016-05-11
KR20170043565A (en) 2017-04-21
CN106715847A (en) 2017-05-24
JP2017525886A (en) 2017-09-07
WO2016028824A1 (en) 2016-02-25
CN105374495A (en) 2016-03-02
EP3183406A4 (en) 2018-04-18
WO2016028812A1 (en) 2016-02-25
EP3183438A4 (en) 2018-09-05
CN106715847B (en) 2021-02-19
EP3183406A1 (en) 2017-06-28
CN106661974A (en) 2017-05-10
US20170236630A1 (en) 2017-08-17
EP3183438A1 (en) 2017-06-28
EP3183437A1 (en) 2017-06-28
WO2016028465A1 (en) 2016-02-25
CN106661974B (en) 2019-09-03
JP2017525885A (en) 2017-09-07

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Inventor name: HUSEYIN, MUSTAFA

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Inventor name: JUDS, MARK

Inventor name: CRAYNE, KYLE

Inventor name: THEISEN, PETER

Inventor name: STRETCH, DALE ARDEN

Inventor name: HUGHES, DOUG ANTHONY

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Inventor name: RADULESCU, ANDREI DAN RADULESCU

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